Chemistry, 05.11.2020 16:40 Oliviapuffinburger33

EDTA is a hexaprotic system with the pKa values: pKa1=0.00 , pKa2=1.50 , pKa3=2.00 , pKa4=2.69 , pKa5=6.13 , and pKa6=10.37 . The distribution of the various protonated forms of EDTA will therefore vary with pH. For equilibrium calculations involving metal complexes with EDTA , it is convenient to calculate the fraction of EDTA that is in the completely unprotonated form, Y4âˆ’ . This fraction is designated Y4âˆ’ . Calculate Y4âˆ’ at two pH values.

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EDTA is a hexaprotic system with the pKa values: pKa1=0.00 , pKa2=1.50 , pKa3=2.00 , pKa4=2.69 , pKa...